Congruent Shapes - Grade 3 Common Core Standards

By shaunteaches

In this video, we solve a typical problem comparing congruent faces

[3.MD.7d-1.0] Adding Partial Areas - Common Core Standard

By Freckle education

Recognize area as additive

[3.MD.7d-2.0] Adding Partial Areas - Common Core Standard

By Freckle education

Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts.

How to Find Area of a Region | 3rd Grade Common Core Math

By Mashup Math

additive where we can divide a region into smaller rectangular shapes, find the area of each, and find the sum.

Grade 3 Math - Shape Partitions 1

By Lumos Learning

Using the Lumos Study Programs, parents and educators can reinforce the classroom learning experience for children and help them succeed at school and on the standardized tests. Lumos books, dvd, eLearning and tutoring are used by leading schools, libraries and thousands of parents to supplement classroom learning and improve student achievement in the standardized tests.

PARENTS please visit LumosTestPrep.com to learn more.
EDUCATORS please visit LumosLearning.com to learn more

Grade 7 Math -Drawing Plane (2-D) Figures 2

By Lumos Learning

Using the Lumos Study Programs, parents and educators can reinforce the classroom learning experience for children and help them succeed at school and on the standardized tests. Lumos books, dvd, eLearning and tutoring are used by leading schools, libraries and thousands of parents to supplement classroom learning and improve student achievement in the standardized tests.

PARENTS please visit LumosTestPrep.com to learn more.
EDUCATORS please visit LumosLearning.com to learn more

Grade 7 Math -Drawing Plane (2-D) Figures 1

By Lumos Learning

Using the Lumos Study Programs, parents and educators can reinforce the classroom learning experience for children and help them succeed at school and on the standardized tests. Lumos books, dvd, eLearning and tutoring are used by leading schools, libraries and thousands of parents to supplement classroom learning and improve student achievement in the standardized tests.

PARENTS please visit LumosTestPrep.com to learn more.
EDUCATORS please visit LumosLearning.com to learn more

Acute Triangle - YourTeacher.com - Geometry Help

By yourteachermathhelp

In this lesson students learn to classify triangles as acute (all angles acute) right (one angle right) or obtuse (one angle obtuse). Students also learn that the sum of the measures of the angles of a triangle is 180 degrees and students are asked to use this formula to find the measures of missing angles in given triangles.

Categorizing triangles | Geometry | 4th grade | Khan Academy

By Khan Academy

Let's practice categorizing triangles in this example exercise.

Categorizing geometric shapes: practice examples | 4th grade | Khan Academy

By Khan Academy

Watch and do these example exercises along with us. Remember what you have learned about perpendicular lines, right, obtuse, and acute triangles.

Recognizing angles

By Khan Academy

Let's do a few example exercises in which you recognize and identify the type of given angle. This is a lot of fun!

Given three sides and two included angles

By Flexiguru

Class 8: Mathematics: Practical Geometry: given three sides and two included angles